JPS6270632U - - Google Patents
Info
- Publication number
- JPS6270632U JPS6270632U JP16212185U JP16212185U JPS6270632U JP S6270632 U JPS6270632 U JP S6270632U JP 16212185 U JP16212185 U JP 16212185U JP 16212185 U JP16212185 U JP 16212185U JP S6270632 U JPS6270632 U JP S6270632U
- Authority
- JP
- Japan
- Prior art keywords
- rectifier
- power source
- electromagnetic brake
- amplifier
- input
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000006866 deterioration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
Description
図は、本考案による一実施例を示した電気回路
図である。
１……電磁ブレーキ用整流器、２……電磁ブレ
ーキコイル、３……オペアンプ入力用整流器、４
……オペアンプ、５……リレー。
The figure is an electrical circuit diagram showing an embodiment of the present invention. 1... Rectifier for electromagnetic brake, 2... Electromagnetic brake coil, 3... Rectifier for operational amplifier input, 4
...Op-amp, 5...Relay.
Claims (1)
により電磁ブレーキを駆動する整流回路において
、前記交流電源に入力用整流器を設け、前記入力
用整流器の出力電圧と前記整流電源とを比較増幅
する増幅器と、前記増幅器の出力が所定値以上に
なつたことを特徴とする検出器とを備えたことを
特徴とする、電磁ブレーキ用整流器の劣化判定装
置。 In a rectifier circuit that rectifies an AC power source using a rectifier and drives an electromagnetic brake with the rectified power source, an input rectifier is provided in the AC power source, and an amplifier that compares and amplifies the output voltage of the input rectifier and the rectified power source; A deterioration determination device for an electromagnetic brake rectifier, comprising: a detector that detects when the output of the amplifier exceeds a predetermined value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16212185U JPS6270632U (en) | 1985-10-24 | 1985-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16212185U JPS6270632U (en) | 1985-10-24 | 1985-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6270632U true JPS6270632U (en) | 1987-05-06 |
Family
ID=31089077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16212185U Pending JPS6270632U (en) | 1985-10-24 | 1985-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6270632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03207274A (en) * | 1990-01-08 | 1991-09-10 | Hitachi Ltd | Detector for abnormality of inverter device |
-
1985
- 1985-10-24 JP JP16212185U patent/JPS6270632U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03207274A (en) * | 1990-01-08 | 1991-09-10 | Hitachi Ltd | Detector for abnormality of inverter device |
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